package com.tony.study.thread.sync;

/**
 * Created with IntelliJ IDEA.
 *
 * @Title: UnSafeBank
 * @Auther: 皮蛋布丁
 * @Date: 2021/10/31/19:46
 * @Description: 不安全的取钱，两个人去银行取钱，账户
 */
public class UnsafeBank {

    public static void main(String[] args) {
        //账户
        Account account = new Account(100,"老婆本");

        Drawing you = new Drawing(account,50,"你");
        Drawing girlFriend = new Drawing(account,100,"女友");

        you.start();
        girlFriend.start();
    }
}
//账户
class Account {
    int money;  //余额
    String name;    //账户

    public Account(int money, String name) {
        this.money = money;
        this.name = name;
    }
}
//银行：模拟取款
class Drawing extends Thread {
    Account account;    //账户
    int drawingMoney;   //取多少钱
    int nowMoney;   //现在所剩多少钱

    public Drawing(Account account,int drawingMoney,String name) {
        super(name);
        this.account = account;
        this.drawingMoney = drawingMoney;
    }

    @Override
    public void run() {
        //判断有没有钱
        if (account.money - drawingMoney < 0) {
            System.out.println(Thread.currentThread().getName()+"钱不够，不能取出！");
            return;
        }
        //sleep放大问题性
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        //卡内余额 = 余额 - 你取出的钱
        account.money = account.money - drawingMoney;
        //你手里的钱
        nowMoney = nowMoney + drawingMoney;

        System.out.println(account.name+"余额为："+account.money);
//        Thread.currentThread().getName() = this.getName();
        System.out.println(this.getName()+"手里的钱："+nowMoney);
    }
}

